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•
the number of the CFR title and the number of each part
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•
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Department of Transportation
Federal Aviation Administration
• 14 CFR Part 39
• [Docket No. FAA-2025-5385; Project Identifier MCAI-2025-01589-R; Amendment 39-23213; AD 2025-25-05]
• RIN 2120-AA64
AGENCY:
Federal Aviation Administration (FAA), DOT.
ACTION:
Final rule; request for comments.
SUMMARY:
The FAA is adopting a new airworthiness directive (AD) for all Airbus Helicopters Deutschland GmbH (AHD) Model BO-105A, BO-105C, BO-105S, BO-105LS A-3, MBB-BK 117 A-3, MBB-BK 117 A-4, MBB-BK 117 B-1, MBB-BK 117 B-2, and MBB-BK 117 C-1 helicopters. This AD was prompted by a report of a crack found on the fork lever of the mixing lever assembly. This AD requires visually inspecting the fork lever for cracks and the mixing lever assembly for missing components, damage, or corrosion. Depending on the results of these inspections, this AD requires taking corrective action and reporting the results of the inspection to the manufacturer. Lastly, this AD prohibits installing affected fork levers unless certain requirements are met. The FAA is issuing this AD to address the unsafe condition on these products.
DATES:
This AD is effective December 31, 2025.
The Director of the Federal Register approved the incorporation by reference of a certain publication listed in this AD as of December 31, 2025.
The FAA must receive comments on this AD by January 30, 2026.
ADDRESSES:
You may send comments, using the procedures found in 14 CFR 11.43 and 11.45, by any of the following methods:
•
Federal eRulemaking Portal:
Go to
regulations.gov.
Follow the instructions for submitting comments.
•
Fax:
(202) 493-2251.
•
Mail:
U.S. Department of Transportation, Docket Operations, M-30, West Building Ground Floor, Room W12-140, 1200 New Jersey Avenue SE, Washington, DC 20590.
•
Hand Delivery:
Deliver to Mail address above between 9 a.m. and 5 p.m., Monday through Friday, except Federal holidays.
AD Docket:
You may examine the AD docket at
regulations.gov
under Docket No. FAA-2025-5385; or in person at Docket Operations between 9 a.m. and 5 p.m., Monday through Friday, except Federal holidays. The AD docket contains this final rule, the mandatory continuing airworthiness information (MCAI), any comments received, and other information. The street address for Docket Operations is listed above.
Material Incorporated by Reference:
• For European Union Aviation Safety Agency (EASA) material identified in this final rule, contact EASA, Konrad-Adenauer-Ufer 3, 50668 Cologne, Germany; telephone +49 221 8999 000; emailADs@easa.europa.eu;
internet
easa.europa.eu.
You may find the EASA material on the EASA website at
ad.easa.europa.eu.
• You may view this material at the FAA, Office of the Regional Counsel, Southwest Region, 10101 Hillwood Pkwy., Room 6N-321, Fort Worth, TX 76177. For information on the availability of this material at the FAA, call (817) 222-5110. It is also available atregulations.gov
under Docket No. FAA-2025-5385.
…
Fonte: Federal Register (federalregister.gov). Texto original em inglês.